.pageContainer {
    width: 750px;
    height: 1334px;
    position: relative;
    /* 为子元素绝对定位提供参照 */
    margin: 0 auto;
    /* 水平居中 */
    background: linear-gradient(180deg, rgb(235, 189, 161) 0%, rgb(71, 49, 32) 100%);
    /* 可选背景色 */
}

.form {
    width: 80%;
    /* 表单宽度 */
    max-width: 500px;
    /* 最大宽度限制 */
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);

    /* 居中魔法 */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.formGroup {
    margin-bottom: 20px;
}

.label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: medium;
    color: #333;
}

.input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: medium;
    transition: border-color 0.3s;
}

.input:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.submitButton {
    width: 100%;
    padding: 12px;
    background-color: #1890ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: medium;
    cursor: pointer;
    transition: background-color 0.3s;
}